I guess we can discuss this
avatar said:yup and one of the ways to get that hydrogen in water is High temperature electrolysis .. which is a research feature for Gen IV reactors
Problem is even if you could produce free hydrogen gas it *still* wouldn't make much economic sense. You'd need to repalce every vehicle and every engine on the planet. Nice, dense hydrocarbons make for the best fuels, and need not have any recognizable environmental impact.